<template>
    <div class="bigBox">
        <div class="box">
            <!-- 滑动盒子 -->
            <div class="pre-box" ref="preRef">
                <h1>WELCOME</h1>
                <p>JOIN US!</p>
                <div class="img-box">
                    <img :src="flag == true ? imgList[1] : imgList[0]" alt="">
                </div>
            </div>
            <!-- 注册盒子 -->
            <div class="register-form">
                <!-- 标题盒子 -->
                <div class="title-box">
                    <h1>注册</h1>
                </div>
                <!-- 输入框盒子 -->
                <div class="input-box">
                    <input type="text" placeholder="用户名">
                    <input type="password" placeholder="密码">
                    <input type="password" placeholder="确认密码">
                </div>
                <!-- 按钮盒子 -->
                <div class="btn-box">
                    <button>注册</button>
                    <!-- 绑定点击事件 -->
                    <p @click="mySwitch()">已有账号?去登录</p>
                </div>
            </div>
            <!-- 登录盒子 -->
            <div class="login-form">
                <!-- 标题盒子 -->
                <div class="title-box">
                    <h1>登录</h1>
                </div>
                <!-- 输入框盒子 -->
                <div class="input-box">
                    <input type="text" v-model="username" placeholder="用户名">
                    <input type="password" v-model="password" placeholder="密码">
                </div>
                <!-- 按钮盒子 -->
                <div class="btn-box">
                    <button @click="handleLogin">登录</button>
                    <!-- 绑定点击事件 -->
                    <p @click="mySwitch()">没有账号?去注册</p>
                </div>
            </div>
        </div>
    </div>
</template>

<script setup>
import { ref } from 'vue';
import { useRouter } from 'vue-router';

const preRef = ref(null);
let flag = ref(true);
const router = useRouter();
const username = ref('user');
const password = ref('123');

const imgList = ref(['../static/img/wuwu.jpeg','../static/img/waoku.jpg']);

const handleLogin = () => {
    if (username.value === 'user' && password.value === '123') {
        router.push({path:'/shouye',component: () => import('../pages/shouye.vue')});
    } else {
        alert('用户名或密码错误');
    }
};

const mySwitch = () => {
    if (preRef.value) {
        preRef.value.style.background = flag.value ? '#c9e0ed' : '#edd4dc';
        preRef.value.style.transform = `translateX(${flag.value ? '100%' : '0%'})`;
    }
    flag.value = !flag.value;
};
</script>

<style scoped>
input {
    outline: none;

}

.bigBox {
    /* 溢出隐藏 */
    width: 100vw;
    height: 100vh;
    overflow-x: hidden;
    display: flex;
    /* 渐变方向从左到右 */
    background: linear-gradient(to right, rgb(247, 209, 215), rgb(191, 227, 241));
}

span {
    position: absolute;
    z-index: 0;
    bottom: 0;
    border-radius: 50%;
    /* 径向渐变 */
    background: radial-gradient(circle at 72% 28%, #fff 3px, #ff7edf 8%, #5b5b5b, #aad7f9 100%);
    /* 泡泡内阴影 */
    box-shadow: inset 0 0 6px #fff,
        inset 3px 0 6px #eaf5fc,
        inset 2px -2px 10px #efcde6,
        inset 0 0 60px #f9f6de,
        0 0 20px #fff;
    /* 动画 */
    animation: myMove 4s linear infinite;
}


@keyframes myMove {
    0% {
        transform: translateY(0%);
        opacity: 1;
    }

    50% {
        transform: translate(10%, -1000%);
    }

    75% {
        transform: translate(-20%, -1200%);
    }

    99% {
        opacity: .9;
    }

    100% {
        transform: translateY(-1800%) scale(1.5);
        opacity: 0;
    }
}

/* 最外层的大盒子 */
.box {
    width: 1050px;
    height: 600px;
    display: flex;
    /* 相对定位 */
    position: relative;
    z-index: 2;
    margin: auto;
    /* 设置圆角 */
    border-radius: 8px;
    /* 设置边框 */
    border: 1px solid rgba(255, 255, 255, .6);
    /* 设置盒子阴影 */
    box-shadow: 2px 1px 19px rgba(0, 0, 0, .1);
}

/* 滑动的盒子 */
.pre-box {
    /* 宽度为大盒子的一半 */
    width: calc(1050px / 2);
    height: 100%;
    /* 绝对定位 */
    position: absolute;
    /* 距离大盒子左侧为0 */
    left: 0;
    /* 距离大盒子顶部为0 */
    top: 0;
    z-index: 99;
    border-radius: 4px;
    background-color: #edd4dc;
    box-shadow: 2px 1px 19px rgba(0, 0, 0, .1);
    /* 动画过渡，先加速再减速 */
    transition: 0.5s ease-in-out;
}

/* 滑动盒子的标题 */
.pre-box h1 {
    margin-top: 150px;
    text-align: center;
    /* 文字间距 */
    letter-spacing: 5px;
    color: white;
    /* 禁止选中 */
    user-select: none;
    /* 文字阴影 */
    text-shadow: 4px 4px 3px rgba(0, 0, 0, .1);
}

/* 滑动盒子的文字 */
.pre-box p {
    height: 30px;
    line-height: 30px;
    text-align: center;
    margin: 20px 0;
    /* 禁止选中 */
    user-select: none;
    font-weight: bold;
    color: white;
    text-shadow: 4px 4px 3px rgba(0, 0, 0, .1);
}

/* 图片盒子 */
.img-box {
    width: 200px;
    height: 200px;
    margin: 20px auto;
    /* 设置为圆形 */
    border-radius: 50%;
    /* 设置用户禁止选中 */
    user-select: none;
    overflow: hidden;
    box-shadow: 4px 4px 3px rgba(0, 0, 0, .1);
}

/* 图片 */
.img-box img {
    width: 100%;
    transition: 0.5s;
}

/* 登录和注册盒子 */
.login-form,
.register-form {
    flex: 1;
    height: 100%;
}

/* 标题盒子 */
.title-box {
    height: 300px;
    line-height: 500px;

}

/* 标题 */
.title-box h1 {
    text-align: center;
    color: white;
    /* 禁止选中 */
    user-select: none;
    letter-spacing: 5px;
    text-shadow: 4px 4px 3px rgba(0, 0, 0, .1);

}

/* 输入框盒子 */
.input-box {
    display: flex;
    /* 纵向布局 */
    flex-direction: column;
    /* 水平居中 */
    align-items: center;
}

/* 输入框 */
input {
    width: 60%;
    height: 40px;
    margin-bottom: 20px;
    text-indent: 10px;
    border: 1px solid #fff;
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: 120px;
    /* 增加磨砂质感 */
    backdrop-filter: blur(10px);
}

input:focus {
    /* 光标颜色 */
    color: #b0cfe9;

}

/* 聚焦时隐藏文字 */
input:focus::placeholder {
    opacity: 0;
}

/* 按钮盒子 */
.btn-box {
    display: flex;
    justify-content: center;
}

/* 按钮 */
button {
    width: 100px;
    height: 50px;
    margin: 0 7px;
    line-height: 30px;
    border: none;
    border-radius: 4px;
    background-color: #69b3f0;
    color: white;
}

/* 按钮悬停时 */
button:hover {
    /* 鼠标小手 */
    cursor: pointer;
    /* 透明度 */
    opacity: .8;
}

/* 按钮文字 */
.btn-box p {
    height: 30px;
    line-height: 30px;
    /* 禁止选中 */
    user-select: none;
    font-size: 14px;
    color: white;

}

.btn-box p:hover {
    cursor: pointer;
    border-bottom: 1px solid white;
}
</style>